condition mean min max 12pM Fe,Midday 7.23414 7.23414 7.23414 12pM Fe,Midnight 302.347 273.108 331.586 58pM Fe,Midday 3.52061 3.52061 3.52061 58pM Fe,Midnight 243.76457142857143 125.136 347.566 233pM Fe,Midnight 184.99366666666666 183.637 186.177 1160pM Fe,Midday 8.20762 4.34042 23.4726 1160pM Fe,Midnight 67.93946666666666 22.274 158.444 High carbon,Dark 74.75283333333333 17.0842 129.274 High carbon,Light 9.51470076923077 2.43679 18.8562 Low carbon,Dark 24.6859 24.6859 24.6859 Phloroglucinol 19.4299 11.6626 27.6519 Silicon starvation,12h 12.0393 12.0393 12.0393